The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 16, 1999
Filed:
Jan. 20, 1999
Applicant:
Inventors:
David A Luce, Clarence Center, NY (US);
Douglas H Hoover, Corfu, NY (US);
Assignee:
Leica Microsystems, Inc., Depew, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
351212 ;
Abstract
An objective refractor, having light source and detection paths intersecting at a beamnsplitter uses light normally lost during testing of an eye to self-calibrate for optical errors introduced during production of the instrument.